lbry-desktop/ui/component/channelThumbnail/view.jsx
2022-06-28 11:25:20 -04:00

137 lines
4.3 KiB
JavaScript

// @flow
import React from 'react';
import { parseURI } from 'util/lbryURI';
import classnames from 'classnames';
import Gerbil from './gerbil.png';
import FreezeframeWrapper from 'component/fileThumbnail/FreezeframeWrapper';
import ChannelStakedIndicator from 'component/channelStakedIndicator';
import OptimizedImage from 'component/optimizedImage';
import { AVATAR_DEFAULT } from 'config';
type Props = {
thumbnail: ?string,
uri: string,
className?: string,
thumbnailPreview: ?string,
obscure?: boolean,
small?: boolean,
xsmall?: boolean,
allowGifs?: boolean,
claim: ?ChannelClaim,
doResolveUri: (string) => void,
isResolving: boolean,
showDelayedMessage?: boolean,
noLazyLoad?: boolean,
hideStakedIndicator?: boolean,
hideTooltip?: boolean,
xsmall?: boolean,
noOptimization?: boolean,
setThumbUploadError: (boolean) => void,
ThumbUploadError: boolean,
};
function ChannelThumbnail(props: Props) {
const {
thumbnail: rawThumbnail,
uri,
className,
thumbnailPreview: rawThumbnailPreview,
obscure,
small = false,
xsmall = false,
allowGifs = false,
claim,
doResolveUri,
isResolving,
showDelayedMessage = false,
noLazyLoad,
hideStakedIndicator = false,
hideTooltip,
setThumbUploadError,
ThumbUploadError,
} = props;
const [retries, setRetries] = React.useState(3);
const [thumbLoadError, setThumbLoadError] = React.useState(ThumbUploadError);
const shouldResolve = !isResolving && claim === undefined;
const thumbnail = rawThumbnail && rawThumbnail.trim().replace(/^http:\/\//i, 'https://');
const thumbnailPreview = rawThumbnailPreview && rawThumbnailPreview.trim().replace(/^http:\/\//i, 'https://');
const defaultAvatar = AVATAR_DEFAULT || Gerbil;
const channelThumbnail = thumbnailPreview || thumbnail || defaultAvatar;
const isGif = channelThumbnail && channelThumbnail.endsWith('gif');
const showThumb = (!obscure && !!thumbnail) || thumbnailPreview;
const avatarSrc = React.useMemo(() => {
if (retries <= 0) {
return defaultAvatar;
}
if (!thumbLoadError) {
return channelThumbnail;
}
return defaultAvatar;
}, [retries, thumbLoadError, channelThumbnail, defaultAvatar]);
// Generate a random color class based on the first letter of the channel name
const { channelName } = parseURI(uri);
let initializer;
let colorClassName;
if (channelName) {
initializer = channelName.charCodeAt(0) - 65; // will be between 0 and 57
colorClassName = `channel-thumbnail__default--${Math.abs(initializer % 4)}`;
} else {
colorClassName = `channel-thumbnail__default--4`;
}
React.useEffect(() => {
if (shouldResolve && uri) {
doResolveUri(uri);
}
}, [doResolveUri, shouldResolve, uri]);
if (isGif && !allowGifs) {
return (
<FreezeframeWrapper src={channelThumbnail} className={classnames('channel-thumbnail', className)}>
{!hideStakedIndicator && <ChannelStakedIndicator uri={uri} claim={claim} hideTooltip={hideTooltip} />}
</FreezeframeWrapper>
);
}
return (
<div
className={classnames('channel-thumbnail', className, {
[colorClassName]: !showThumb,
'channel-thumbnail--small': small,
'channel-thumbnail--xsmall': xsmall,
'channel-thumbnail--resolving': isResolving,
})}
>
{/* show delay necessary? */}
{showDelayedMessage ? (
<div className="channel-thumbnail--waiting">{__('This will be visible in a few minutes.')}</div>
) : (
<OptimizedImage
alt={__('Channel profile picture')}
className={!channelThumbnail ? 'channel-thumbnail__default' : 'channel-thumbnail__custom'}
src={avatarSrc}
loading={noLazyLoad ? undefined : 'lazy'}
onError={() => {
setRetries((retries) => retries - 1);
if (setThumbUploadError) {
setThumbUploadError(true);
} else {
setThumbLoadError(true);
}
}}
onLoad={() => {
if (setThumbUploadError) {
setThumbUploadError(false);
} else {
setThumbLoadError(false);
}
}}
/>
)}
{!hideStakedIndicator && <ChannelStakedIndicator uri={uri} claim={claim} />}
</div>
);
}
export default ChannelThumbnail;